Screw



FIG. 1 is a perspective view of the screw embodying the new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a section cut view of the top portion of the screw, takenalong the lines VI-VI of FIG. 5 .

The broken lines in the drawings illustrate portions of the screw andform no part of the claimed design.

CLAIM The ornamental design for a screw, as shown and described.